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Finding the Fourth Proportional to 459.51, 633.71 and 361.10

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Solution

The fourth proportional to 459.51, 633.71 and 361.10 is: 497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.51 : 633.71 = 361.10 : x
  2. Step 2: Convert to fraction form
    459.51/633.71 = 361.10/x
  3. Step 3: Cross multiply
    459.51x = 633.71 × 361.10
  4. Step 4: Simplify right side
    459.51x = 228,830.20
  5. Step 5: Solve for x
    x = 228,830.20/459.51
  6. Step 6: Final answer
    x = 497.99

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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.