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Finding the Fourth Proportional to 630.24, 941.16 and 623.46

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Solution

The fourth proportional to 630.24, 941.16 and 623.46 is: 931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.24 : 941.16 = 623.46 : x
  2. Step 2: Convert to fraction form
    630.24/941.16 = 623.46/x
  3. Step 3: Cross multiply
    630.24x = 941.16 × 623.46
  4. Step 4: Simplify right side
    630.24x = 586,775.61
  5. Step 5: Solve for x
    x = 586,775.61/630.24
  6. Step 6: Final answer
    x = 931.04

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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.