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Finding the Fourth Proportional to 601.76, 900.32 and 465.28

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Solution

The fourth proportional to 601.76, 900.32 and 465.28 is: 696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.76 : 900.32 = 465.28 : x
  2. Step 2: Convert to fraction form
    601.76/900.32 = 465.28/x
  3. Step 3: Cross multiply
    601.76x = 900.32 × 465.28
  4. Step 4: Simplify right side
    601.76x = 418,900.89
  5. Step 5: Solve for x
    x = 418,900.89/601.76
  6. Step 6: Final answer
    x = 696.13

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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.