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Finding the Fourth Proportional to 654.68, 903.56 and 468.18

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Solution

The fourth proportional to 654.68, 903.56 and 468.18 is: 646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.68 : 903.56 = 468.18 : x
  2. Step 2: Convert to fraction form
    654.68/903.56 = 468.18/x
  3. Step 3: Cross multiply
    654.68x = 903.56 × 468.18
  4. Step 4: Simplify right side
    654.68x = 423,026.38
  5. Step 5: Solve for x
    x = 423,026.38/654.68
  6. Step 6: Final answer
    x = 646.16

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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.