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Finding the Fourth Proportional to 530.58, 797.22 and 508.98

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Solution

The fourth proportional to 530.58, 797.22 and 508.98 is: 764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.58 : 797.22 = 508.98 : x
  2. Step 2: Convert to fraction form
    530.58/797.22 = 508.98/x
  3. Step 3: Cross multiply
    530.58x = 797.22 × 508.98
  4. Step 4: Simplify right side
    530.58x = 405,769.04
  5. Step 5: Solve for x
    x = 405,769.04/530.58
  6. Step 6: Final answer
    x = 764.77

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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.