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Finding the Fourth Proportional to 530.94, 797.97 and 459.66

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Solution

The fourth proportional to 530.94, 797.97 and 459.66 is: 690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.94 : 797.97 = 459.66 : x
  2. Step 2: Convert to fraction form
    530.94/797.97 = 459.66/x
  3. Step 3: Cross multiply
    530.94x = 797.97 × 459.66
  4. Step 4: Simplify right side
    530.94x = 366,794.89
  5. Step 5: Solve for x
    x = 366,794.89/530.94
  6. Step 6: Final answer
    x = 690.84

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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.