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Finding the Fourth Proportional to 592.16, 888.40 and 207.68

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Solution

The fourth proportional to 592.16, 888.40 and 207.68 is: 311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.16 : 888.40 = 207.68 : x
  2. Step 2: Convert to fraction form
    592.16/888.40 = 207.68/x
  3. Step 3: Cross multiply
    592.16x = 888.40 × 207.68
  4. Step 4: Simplify right side
    592.16x = 184,502.91
  5. Step 5: Solve for x
    x = 184,502.91/592.16
  6. Step 6: Final answer
    x = 311.58

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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.