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Finding the Fourth Proportional to 495.59, 742.29 and 462.65

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Solution

The fourth proportional to 495.59, 742.29 and 462.65 is: 692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.59 : 742.29 = 462.65 : x
  2. Step 2: Convert to fraction form
    495.59/742.29 = 462.65/x
  3. Step 3: Cross multiply
    495.59x = 742.29 × 462.65
  4. Step 4: Simplify right side
    495.59x = 343,420.47
  5. Step 5: Solve for x
    x = 343,420.47/495.59
  6. Step 6: Final answer
    x = 692.95

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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.