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Finding the Fourth Proportional to 587.03, 810.05 and 325.04

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Solution

The fourth proportional to 587.03, 810.05 and 325.04 is: 448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.03 : 810.05 = 325.04 : x
  2. Step 2: Convert to fraction form
    587.03/810.05 = 325.04/x
  3. Step 3: Cross multiply
    587.03x = 810.05 × 325.04
  4. Step 4: Simplify right side
    587.03x = 263,292.98
  5. Step 5: Solve for x
    x = 263,292.98/587.03
  6. Step 6: Final answer
    x = 448.52

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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.