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Finding the Fourth Proportional to 707.16, 973.89 and 569.88

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Solution

The fourth proportional to 707.16, 973.89 and 569.88 is: 784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.16 : 973.89 = 569.88 : x
  2. Step 2: Convert to fraction form
    707.16/973.89 = 569.88/x
  3. Step 3: Cross multiply
    707.16x = 973.89 × 569.88
  4. Step 4: Simplify right side
    707.16x = 555,000.43
  5. Step 5: Solve for x
    x = 555,000.43/707.16
  6. Step 6: Final answer
    x = 784.83

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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.