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Finding the Fourth Proportional to 654.48, 902.48 and 535.56

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Solution

The fourth proportional to 654.48, 902.48 and 535.56 is: 738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.48 : 902.48 = 535.56 : x
  2. Step 2: Convert to fraction form
    654.48/902.48 = 535.56/x
  3. Step 3: Cross multiply
    654.48x = 902.48 × 535.56
  4. Step 4: Simplify right side
    654.48x = 483,332.19
  5. Step 5: Solve for x
    x = 483,332.19/654.48
  6. Step 6: Final answer
    x = 738.50

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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.