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Finding the Fourth Proportional to 368.84, 508.48 and 263.60

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Solution

The fourth proportional to 368.84, 508.48 and 263.60 is: 363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.84 : 508.48 = 263.60 : x
  2. Step 2: Convert to fraction form
    368.84/508.48 = 263.60/x
  3. Step 3: Cross multiply
    368.84x = 508.48 × 263.60
  4. Step 4: Simplify right side
    368.84x = 134,035.33
  5. Step 5: Solve for x
    x = 134,035.33/368.84
  6. Step 6: Final answer
    x = 363.40

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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.