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Finding the Fourth Proportional to 590.51, 885.77 and 347.20

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Solution

The fourth proportional to 590.51, 885.77 and 347.20 is: 520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.51 : 885.77 = 347.20 : x
  2. Step 2: Convert to fraction form
    590.51/885.77 = 347.20/x
  3. Step 3: Cross multiply
    590.51x = 885.77 × 347.20
  4. Step 4: Simplify right side
    590.51x = 307,541.68
  5. Step 5: Solve for x
    x = 307,541.68/590.51
  6. Step 6: Final answer
    x = 520.81

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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.