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Finding the Fourth Proportional to 630.02, 869.47 and 364.51

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Solution

The fourth proportional to 630.02, 869.47 and 364.51 is: 503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.02 : 869.47 = 364.51 : x
  2. Step 2: Convert to fraction form
    630.02/869.47 = 364.51/x
  3. Step 3: Cross multiply
    630.02x = 869.47 × 364.51
  4. Step 4: Simplify right side
    630.02x = 316,926.16
  5. Step 5: Solve for x
    x = 316,926.16/630.02
  6. Step 6: Final answer
    x = 503.04

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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.