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Finding the Fourth Proportional to 542.67, 748.84 and 332.76

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Solution

The fourth proportional to 542.67, 748.84 and 332.76 is: 459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    542.67 : 748.84 = 332.76 : x
  2. Step 2: Convert to fraction form
    542.67/748.84 = 332.76/x
  3. Step 3: Cross multiply
    542.67x = 748.84 × 332.76
  4. Step 4: Simplify right side
    542.67x = 249,184.00
  5. Step 5: Solve for x
    x = 249,184.00/542.67
  6. Step 6: Final answer
    x = 459.18

Related Problems

Find fourth proportional to 271.34, 374.42 and 166.38
Half scale
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Double scale
Find fourth proportional to 543.67, 750.22 and 333.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.