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Finding the Fourth Proportional to 368.38, 507.06 and 268.63

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Solution

The fourth proportional to 368.38, 507.06 and 268.63 is: 369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.38 : 507.06 = 268.63 : x
  2. Step 2: Convert to fraction form
    368.38/507.06 = 268.63/x
  3. Step 3: Cross multiply
    368.38x = 507.06 × 268.63
  4. Step 4: Simplify right side
    368.38x = 136,211.53
  5. Step 5: Solve for x
    x = 136,211.53/368.38
  6. Step 6: Final answer
    x = 369.76

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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.