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Finding the Fourth Proportional to 716.84, 1,075.62 and 332

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Solution

The fourth proportional to 716.84, 1,075.62 and 332 is: 498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.84 : 1,075.62 = 332 : x
  2. Step 2: Convert to fraction form
    716.84/1,075.62 = 332/x
  3. Step 3: Cross multiply
    716.84x = 1,075.62 × 332
  4. Step 4: Simplify right side
    716.84x = 357,105.84
  5. Step 5: Solve for x
    x = 357,105.84/716.84
  6. Step 6: Final answer
    x = 498.17

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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.