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Finding the Fourth Proportional to 760.32, 1,049.49 and 595.67

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Solution

The fourth proportional to 760.32, 1,049.49 and 595.67 is: 822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.32 : 1,049.49 = 595.67 : x
  2. Step 2: Convert to fraction form
    760.32/1,049.49 = 595.67/x
  3. Step 3: Cross multiply
    760.32x = 1,049.49 × 595.67
  4. Step 4: Simplify right side
    760.32x = 625,144.46
  5. Step 5: Solve for x
    x = 625,144.46/760.32
  6. Step 6: Final answer
    x = 822.21

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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.