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Finding the Fourth Proportional to 624.02, 929.30 and 602.42

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Solution

The fourth proportional to 624.02, 929.30 and 602.42 is: 897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.02 : 929.30 = 602.42 : x
  2. Step 2: Convert to fraction form
    624.02/929.30 = 602.42/x
  3. Step 3: Cross multiply
    624.02x = 929.30 × 602.42
  4. Step 4: Simplify right side
    624.02x = 559,821.25
  5. Step 5: Solve for x
    x = 559,821.25/624.02
  6. Step 6: Final answer
    x = 897.13

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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.