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Finding the Fourth Proportional to 610.11, 915.17 and 336.15

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Solution

The fourth proportional to 610.11, 915.17 and 336.15 is: 504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.11 : 915.17 = 336.15 : x
  2. Step 2: Convert to fraction form
    610.11/915.17 = 336.15/x
  3. Step 3: Cross multiply
    610.11x = 915.17 × 336.15
  4. Step 4: Simplify right side
    610.11x = 307,632.71
  5. Step 5: Solve for x
    x = 307,632.71/610.11
  6. Step 6: Final answer
    x = 504.23

Related Problems

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Half scale
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Double scale
Find fourth proportional to 611.11, 916.67 and 337.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.