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Finding the Fourth Proportional to 630.04, 868.60 and 433.32

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Solution

The fourth proportional to 630.04, 868.60 and 433.32 is: 597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.04 : 868.60 = 433.32 : x
  2. Step 2: Convert to fraction form
    630.04/868.60 = 433.32/x
  3. Step 3: Cross multiply
    630.04x = 868.60 × 433.32
  4. Step 4: Simplify right side
    630.04x = 376,381.75
  5. Step 5: Solve for x
    x = 376,381.75/630.04
  6. Step 6: Final answer
    x = 597.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.