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Finding the Fourth Proportional to 710.00, 1,064.72 and 450.17

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Solution

The fourth proportional to 710.00, 1,064.72 and 450.17 is: 675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.00 : 1,064.72 = 450.17 : x
  2. Step 2: Convert to fraction form
    710.00/1,064.72 = 450.17/x
  3. Step 3: Cross multiply
    710.00x = 1,064.72 × 450.17
  4. Step 4: Simplify right side
    710.00x = 479,300.80
  5. Step 5: Solve for x
    x = 479,300.80/710.00
  6. Step 6: Final answer
    x = 675.08

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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.