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Finding the Fourth Proportional to 595.72, 822.06 and 347.08

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Solution

The fourth proportional to 595.72, 822.06 and 347.08 is: 478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.72 : 822.06 = 347.08 : x
  2. Step 2: Convert to fraction form
    595.72/822.06 = 347.08/x
  3. Step 3: Cross multiply
    595.72x = 822.06 × 347.08
  4. Step 4: Simplify right side
    595.72x = 285,320.58
  5. Step 5: Solve for x
    x = 285,320.58/595.72
  6. Step 6: Final answer
    x = 478.95

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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.