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Finding the Fourth Proportional to 614.74, 848.37 and 352.76

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Solution

The fourth proportional to 614.74, 848.37 and 352.76 is: 486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.74 : 848.37 = 352.76 : x
  2. Step 2: Convert to fraction form
    614.74/848.37 = 352.76/x
  3. Step 3: Cross multiply
    614.74x = 848.37 × 352.76
  4. Step 4: Simplify right side
    614.74x = 299,268.08
  5. Step 5: Solve for x
    x = 299,268.08/614.74
  6. Step 6: Final answer
    x = 486.82

Related Problems

Find fourth proportional to 307.37, 424.19 and 176.38
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Double scale
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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.