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Finding the Fourth Proportional to 953.55, 1,429.98 and 337.10

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Solution

The fourth proportional to 953.55, 1,429.98 and 337.10 is: 505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.55 : 1,429.98 = 337.10 : x
  2. Step 2: Convert to fraction form
    953.55/1,429.98 = 337.10/x
  3. Step 3: Cross multiply
    953.55x = 1,429.98 × 337.10
  4. Step 4: Simplify right side
    953.55x = 482,039.11
  5. Step 5: Solve for x
    x = 482,039.11/953.55
  6. Step 6: Final answer
    x = 505.52

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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.