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Finding the Fourth Proportional to 601.35, 901.02 and 578.88

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Solution

The fourth proportional to 601.35, 901.02 and 578.88 is: 867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.35 : 901.02 = 578.88 : x
  2. Step 2: Convert to fraction form
    601.35/901.02 = 578.88/x
  3. Step 3: Cross multiply
    601.35x = 901.02 × 578.88
  4. Step 4: Simplify right side
    601.35x = 521,582.46
  5. Step 5: Solve for x
    x = 521,582.46/601.35
  6. Step 6: Final answer
    x = 867.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.