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Finding the Fourth Proportional to 436.67, 602.57 and 240.19

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Solution

The fourth proportional to 436.67, 602.57 and 240.19 is: 331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.67 : 602.57 = 240.19 : x
  2. Step 2: Convert to fraction form
    436.67/602.57 = 240.19/x
  3. Step 3: Cross multiply
    436.67x = 602.57 × 240.19
  4. Step 4: Simplify right side
    436.67x = 144,731.29
  5. Step 5: Solve for x
    x = 144,731.29/436.67
  6. Step 6: Final answer
    x = 331.44

Related Problems

Find fourth proportional to 218.34, 301.29 and 120.10
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Double scale
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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.