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Finding the Fourth Proportional to 448.93, 670.35 and 367.93

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Solution

The fourth proportional to 448.93, 670.35 and 367.93 is: 549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.93 : 670.35 = 367.93 : x
  2. Step 2: Convert to fraction form
    448.93/670.35 = 367.93/x
  3. Step 3: Cross multiply
    448.93x = 670.35 × 367.93
  4. Step 4: Simplify right side
    448.93x = 246,641.88
  5. Step 5: Solve for x
    x = 246,641.88/448.93
  6. Step 6: Final answer
    x = 549.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.