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Finding the Fourth Proportional to 356.04, 530.46 and 337.68

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Solution

The fourth proportional to 356.04, 530.46 and 337.68 is: 503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.04 : 530.46 = 337.68 : x
  2. Step 2: Convert to fraction form
    356.04/530.46 = 337.68/x
  3. Step 3: Cross multiply
    356.04x = 530.46 × 337.68
  4. Step 4: Simplify right side
    356.04x = 179,125.73
  5. Step 5: Solve for x
    x = 179,125.73/356.04
  6. Step 6: Final answer
    x = 503.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.