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Finding the Fourth Proportional to 598.65, 891.65 and 571.99

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Solution

The fourth proportional to 598.65, 891.65 and 571.99 is: 851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.65 : 891.65 = 571.99 : x
  2. Step 2: Convert to fraction form
    598.65/891.65 = 571.99/x
  3. Step 3: Cross multiply
    598.65x = 891.65 × 571.99
  4. Step 4: Simplify right side
    598.65x = 510,014.88
  5. Step 5: Solve for x
    x = 510,014.88/598.65
  6. Step 6: Final answer
    x = 851.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.