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Finding the Fourth Proportional to 630.02, 941.30 and 608.49

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Solution

The fourth proportional to 630.02, 941.30 and 608.49 is: 909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.02 : 941.30 = 608.49 : x
  2. Step 2: Convert to fraction form
    630.02/941.30 = 608.49/x
  3. Step 3: Cross multiply
    630.02x = 941.30 × 608.49
  4. Step 4: Simplify right side
    630.02x = 572,768.59
  5. Step 5: Solve for x
    x = 572,768.59/630.02
  6. Step 6: Final answer
    x = 909.13

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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.