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Finding the Fourth Proportional to 459.51, 632.82 and 370.80

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Solution

The fourth proportional to 459.51, 632.82 and 370.80 is: 510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.51 : 632.82 = 370.80 : x
  2. Step 2: Convert to fraction form
    459.51/632.82 = 370.80/x
  3. Step 3: Cross multiply
    459.51x = 632.82 × 370.80
  4. Step 4: Simplify right side
    459.51x = 234,649.66
  5. Step 5: Solve for x
    x = 234,649.66/459.51
  6. Step 6: Final answer
    x = 510.65

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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.